Profile shouldn't own DesktopNotificationService.

chrome/browser/ui/options/options_util.cc

Index: chrome/browser/ui/options/options_util.cc
diff --git a/chrome/browser/ui/options/options_util.cc b/chrome/browser/ui/options/options_util.cc
index 590c093b0abee913179882bd573294bb9d6bf2f7..43cd7ddbf4f76e7559295a7b7779bcd7a296ef50 100644
--- a/chrome/browser/ui/options/options_util.cc
+++ b/chrome/browser/ui/options/options_util.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/geolocation/geolocation_content_settings_map.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
+#include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
@@ -83,7 +84,8 @@ void OptionsUtil::ResetToDefaults(Profile* profile) {
   profile->GetHostContentSettingsMap()->ResetToDefaults();
   profile->GetGeolocationContentSettingsMap()->ResetToDefault();
   profile->GetHostZoomMap()->ResetToDefaults();
-  profile->GetDesktopNotificationService()->ResetToDefaultContentSetting();
+  DesktopNotificationServiceFactory::GetForProfile(profile)->
+      ResetToDefaultContentSetting();
   for (size_t i = 0; i < arraysize(kUserPrefs); ++i)
     prefs->ClearPref(kUserPrefs[i]);